On Fri, Aug 07, 2020 at 05:41:46PM +0800, Peter Chen wrote: > From: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > > The routines used by the UDC core to interface with the kernel's > device model, namely usb_add_gadget_udc(), > usb_add_gadget_udc_release(), and usb_del_gadget_udc(), provide access > to only a subset of the device model's full API. They include > functionality equivalent to device_register() and device_unregister() > for gadgets, but they omit device_initialize(), device_add(), > device_del(), get_device(), and put_device(). > > This patch expands the UDC API by adding usb_initialize_gadget(), > usb_add_gadget(), usb_del_gadget(), usb_get_gadget(), and > usb_put_gadget() to fill in the gap. It rewrites the existing > routines to call the new ones. > > CC: Anton Vasilyev <vasilyev@xxxxxxxxx> > CC: Evgeny Novikov <novikov@xxxxxxxxx> > CC: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> You can not forward on patches from someone else without also signing off on them. Please fix this series up to do so. thanks, greg k-h